Dishwasher — Drain Hose Clog

Small items inadvertently loaded into the dishwasher (olive pits, cherry stones, glass shards from broken stemware, plastic utensil handles, or bottle labels) can pass the filter and lodge precisely at a barbed fitting, an elbow, or the disposal connection port.

Water backing up into your kitchen sink when the dishwasher is running. Why Does the Drain Hose Clog? dishwasher drain hose clog